diff --git a/modules/services/data-access/config.nix b/modules/services/data-access/config.nix
index f31a159d..7b923018 100644
--- a/modules/services/data-access/config.nix
+++ b/modules/services/data-access/config.nix
@@ -18,6 +18,9 @@
       { bits = 4096; path = "/run/secrets/ssh_host_rsa_key"; type = "rsa"; }
       { path = "/run/secrets/ssh_host_ed25519_key"; type = "ed25519"; }
     ];
+    extraConfig = ''
+      HostKeyAlgorithms +ssh-rsa
+    '';
     authorizedKeysFiles = [ "/run/secrets/authorized_keys" ];
   };
 }